<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport"
        content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>座机号码验证</title>
</head>
<body>
  <script>
    // 座机号码验证:  全国座机号码  两种格式:   010-12345678  或者  0530-1234567
    // 正则里面的或者 符号  |
    // var reg = /^\d{3}-\d{8}|\d{4}-\d{7}$/
    var reg = /^\d{3,4}-\d{7,8}$/
  </script>
</body>
</html>